KR20040046249A - 일단계 직접 중합에 의한 방향족 폴리이미드 복합 분말소재 및 이의 제조 방법 - Google Patents
일단계 직접 중합에 의한 방향족 폴리이미드 복합 분말소재 및 이의 제조 방법 Download PDFInfo
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- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
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- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K3/28—Nitrogen-containing compounds
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Abstract
Description
구분 | 폴리이미드 | 흑연 분말의 함량 (%) |
실시예1 | PI-G1 | 10 |
실시예2 | PI-G2 | 20 |
실시예3 | PI-G3 | 30 |
실시예4 | PI-G4 | 40 |
실시예5 | PI-G5 | 50 |
비교예1 | PI-N | 0 |
비교예2 | PI-G6 | 10 |
비교예3 | PI-G7 | 10 |
구분 | 실시예1(PI-G1) | 실시예2(PI-G2) | 실시예3(PI-G3) | 실시예4(PI-G4) | 비교예1(PI-N) | 비교예2(PI-G6) | 비교예3PI-G7 |
이미드화도(%) | 70.4 | 78.0 | 77.5 | 76.7 | 82.0 | 76.4 | 85 |
결정화도(%) | 19.0 | 19.3 | 17.5 | 18.0 | 26.0 | 25.8 | 35 |
벌크 밀도(g/Cm2) | 0.30 | 0.32 | 0.35 | 0.36 | 0.36 | 0.31 | 0.35 |
입자 평균크기(㎛) | 11.6 | 12.0 | 12.4 | 13.4 | 13.0 | 10.30 | 11.00 |
Claims (6)
- 무기입자 분말이 분산된 페놀계 유기 극성 용매에, 테트라카르복시산 이무수물 단량체와 방향족 디아민 단량체의 혼합물을 투입한 후 2 ∼ 3 시간에 걸쳐 60 ∼ 80 ℃로 승온하고 그 온도범위에서 2 ∼ 3 시간을 유지한 다음, 다시 2 ∼ 3 시간에 걸쳐 160 ∼ 200 ℃ 로 승온하고 그 온도범위를 유지하면서 5 분 ∼ 6 시간동안 환류 반응시켜 제조하는 것을 특징으로 하는, 다음 화학식 2를 반복단위로 하는 폴리아믹산 또는 폴리이미드 수지와 무기소재로서 구성된 복합 소재 분말의 제조방법.[화학식 2]여기서, 0 < m/m + n ≤ 1 이며,상기 식에서,는,,,,,,,,,, 및중에서 선택된 1 종 또는 2종 이상의 4가기를 포함하며;는,,,,,,,,,및중에서 선택된 1종 또는 2종 이상의 2가기이다.
- 제 1 항에 있어서, 상기 페놀계 유기 극성 용매는 메타크레졸, 파라 크레졸, 메타클로로페놀 및 파라클로로페놀 중에서 선택된 1 종 또는 2종 이상이 포함되는 것을 특징으로 하는 폴리이미드 복합 소재 분말의 제조방법.
- 제 1 항에 있어서, 상기 무기입자 분말은 층상 흑연(graphite) 분말, 몰리브덴설파이드(MoS2), 실리카(silica) 및 알루미늄나이트라이드(AlN) 중에서 선택된 것을 특징으로 하는 폴리이미드계 복합 분말 소재의 제조방법.
- 제 3 항에 있어서, 상기 무기입자의 크기가 0.5 ∼ 30 ㎛ 범위의 크기인 것을 특징으로 하는 폴리이미드계 복합 분말 소재의 제조방법.
- 제 1 항에 있어서, 상기 무기입자 분말은 단량체 총 사용량을 기준으로 5∼ 50 중량% 범위내에서 사용하는 것을 특징으로 하는 폴리이미드계 복합 분말 소재의 제조방법.
- 상기 청구항 1 내지 5 중에서 선택된 어느 한 항의 방법으로 제조된 것으로서, 중량평균 분자량(Mw) 10,000 ∼ 300,000 g/mol 범위, 고유점도 0.1 ∼ 2.0 ㎗/g 범위, 유리전이온도 200 ∼ 400 ℃ 범위, 결정화도 10 ∼ 30 % 범위, 및 이미드화도 70 ∼ 90 % 범위인 것임을 특징으로 하는 폴리이미드계 복합 분말 소재.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103255491A (zh) * | 2013-05-31 | 2013-08-21 | 中国科学院长春应用化学研究所 | 聚酰亚胺纤维的制备方法 |
KR20200010089A (ko) * | 2018-07-19 | 2020-01-30 | 스미또모 가가꾸 가부시키가이샤 | 폴리이미드계 수지 분체 및 폴리이미드계 수지 분체의 제조 방법 |
KR102245690B1 (ko) * | 2019-11-22 | 2021-04-29 | 피아이첨단소재 주식회사 | 내마모성, 내충격성의 폴리이미드 복합 분말 및 그 제조방법 |
WO2023075413A1 (ko) * | 2021-10-26 | 2023-05-04 | 피아이첨단소재 주식회사 | 폴리아믹산 조성물 및 이의 제조방법 |
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KR101352561B1 (ko) | 2012-01-18 | 2014-01-17 | 한국전자통신연구원 | 고분자 물질, 광학 필름 및 유기 발광 소자 |
CN102604093B (zh) * | 2012-03-26 | 2013-09-25 | 长春高琦聚酰亚胺材料有限公司 | 聚酰亚胺的制备方法 |
WO2019040564A1 (en) * | 2017-08-24 | 2019-02-28 | Northwestern University | DISPERSIONS, ADHESIVES, GELS AND PASTA OF CARBON NANOPARTICLES WITHOUT ADDITIVES |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103255491A (zh) * | 2013-05-31 | 2013-08-21 | 中国科学院长春应用化学研究所 | 聚酰亚胺纤维的制备方法 |
CN103255491B (zh) * | 2013-05-31 | 2015-05-20 | 中国科学院长春应用化学研究所 | 聚酰亚胺纤维的制备方法 |
KR20200010089A (ko) * | 2018-07-19 | 2020-01-30 | 스미또모 가가꾸 가부시키가이샤 | 폴리이미드계 수지 분체 및 폴리이미드계 수지 분체의 제조 방법 |
KR102245690B1 (ko) * | 2019-11-22 | 2021-04-29 | 피아이첨단소재 주식회사 | 내마모성, 내충격성의 폴리이미드 복합 분말 및 그 제조방법 |
WO2023075413A1 (ko) * | 2021-10-26 | 2023-05-04 | 피아이첨단소재 주식회사 | 폴리아믹산 조성물 및 이의 제조방법 |
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